You'll see his strengths and focus quickly just by reading his article "Building and Leading a High Performance Sales Team". You can contact him by visiting his website at http://barrycohen.org.
I have inserted the introduction of his article's below and you can read the full article here.
Here are 10 great ways to build a high performance sales team. Done right, they will yield both short and long term results. You will be better positioned to consistently achieve revenue goals and you will build a stronger, more committed sales team.